Argon
Elemental State Ar
Electron Configuration 1s22s22p63s23p6
First Ionization Potential 15.760 eV
Electron Affinity  
Z* 6.764 (Clementi-Raimondi)
Pauling Electronegativity  
Covalent Radius  
Metallic Radius  
Ionic Radius  
van der Waal's Radius 1.88 Å
Melting Point –189.3442 oC (triple point)
Boiling Point –185.89 oC
Density 1.7837 g/L
Other Properties